Find the critical numbers, if any, of the function f(x) = 7 - √(x).
(Use symbolic notation and fractions where needed. Give your answer in the form of a comma-separated list. Enter DNE if the critical numbers do not exist.)
x =
Find the critical numbers, if any, of the function f(x) = 7/x.
(Use symbolic notation and fractions where needed. Give your answer in the form of a comma-separated list. Enter DNE if the critical numbers do not exist.)
x =
DNE